Finding the Third Proportional to 19,587.94 and 42,292.97

Step by Step Solution

1. Step 1: Write the proportion equation
   19,587.94 : 42,292.97 = 42,292.97 : x
2. Step 2: Convert to fraction form
   19,587.94/42,292.97 = 42,292.97/x
3. Step 3: Cross multiply
   19,587.94x = 42,292.97 × 42,292.97
4. Step 4: Simplify right side
   19,587.94x = 1,788,695,205.69
5. Step 5: Solve for x
   x = 1,788,695,205.69/19,587.94
6. Step 6: Final answer
   x = 91,316.16